Method and apparatus for determining ultrasonic pulse arrival in

Details Method and apparatus for determining ultrasonic pulse arrival in Method and apparatus for determining ultrasonic pulse arrival in

1997-04-22

2000-05-16

Patel, Harshad

Measuring and testing

Volume or rate of flow

By measuring vibrations or acoustic energy

G01F 166

Patent

active

060620919

ABSTRACT:
Apparatus for determining the arrival time of a sonic signal transmitted through a fluid medium flowing in a vessel comprising, a transmitter for generating a sonic signal for transmission through the fluid in the fluid carrying vessel, the sonic signal having at least one marker embedded therein, a receiver for receiving the marked sonic signal after transmission of the signal in the fluid, and a detector for sensing the marker in the marked sonic signal at the receiver, the transmitter and receiver each comprising a wide beam ultrasonic transducer.

REFERENCES:
patent: 3987674 (1976-10-01), Baumoel
patent: 4520320 (1985-05-01), Potzick et al.
patent: 5163663 (1992-11-01), Gill
patent: 5178018 (1993-01-01), Gill

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